$65.31K
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4
$65.31K
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4
Trader mode: Actionable analysis for identifying opportunities and edge
In 2026 If a representative X party is sworn in as a Senator of New Hampshire for the term beginning in 2027, then the market resolves to Yes. Early close condition: This market will close early following the swearing in of the Senator for the seat in question. This market will close early following the swearing in of the Senator for the seat in question.
Prediction markets currently give Democrats an 84% chance to win New Hampshire’s 2026 U.S. Senate race. In simpler terms, traders see this as a very likely outcome, roughly a 5 in 6 chance that a Democrat will be sworn into the Senate seat in early 2027. This represents a high degree of collective confidence about an election still over two years away.
Two main factors are shaping these odds. First, New Hampshire has recently leaned toward Democrats in federal elections. Incumbent Democratic Senator Maggie Hassan won re-election in 2022, and the state voted for Joe Biden in both 2020 and 2024. While New Hampshire can be competitive, its current voting pattern favors Democrats.
Second, the Republican field appears uncertain. The party lacks a clear, established frontrunner, and potential candidates may face a divisive primary. Markets are pricing in the advantage that often comes with a well-known incumbent party holding a seat, unless a strong challenger emerges. At this early stage, the political environment seems to favor Democrats holding the seat.
The most important date is the election itself on November 3, 2026. Before that, watch for candidate announcements, which will likely happen through 2025. The Republican primary, expected in September 2026, will be a major signal. If a popular moderate Republican enters the race, the odds could shift. National political trends in 2025 and 2026, such as presidential approval ratings or the state of the economy, could also influence this race.
For elections this far out, prediction markets are often a good indicator of the current political landscape, but they are not a crystal ball. Markets have been reasonably accurate in forecasting Senate races a few months ahead, but their accuracy improves as the election nears and more information becomes available. These odds are a snapshot of current sentiment. They can and will change based on candidate decisions, campaign events, and national trends over the next two years.
Prediction markets currently price an 84% probability that a Democrat will win New Hampshire's 2026 U.S. Senate race. This price, translating to roughly 5-to-1 favorite odds, indicates the market views a Democratic victory as the overwhelming consensus outcome. The thin $65,000 volume across platforms, however, suggests this is a lightly-traded, sentiment-driven forecast rather than one backed by heavy capital.
Two structural advantages for Democrats anchor this high price. First, incumbent Senator Maggie Hassan is the presumed Democratic candidate. Historical data from the Cook Political Report shows New Hampshire incumbents are exceptionally difficult to defeat; no sitting New Hampshire senator has lost re-election since 1980. Second, the state's recent electoral history favors Democrats in federal races. Since 2006, Democrats have won five of the last six Senate elections in New Hampshire. The current market price essentially bets this strong partisan trend and incumbency advantage will hold.
The 84% probability leaves little room for error and could shift dramatically with candidate news. A decision by Senator Hassan not to seek re-election would immediately invalidate the core incumbency thesis, likely causing a major price correction. The Republican field also remains undefined. A particularly strong challenger with proven statewide appeal, such as popular Governor Chris Sununu deciding to run, would test the historical pattern and tighten the odds. Key dates to watch are filing deadlines and the September 2026 primary, which will solidify the matchup.
The event is listed on both Kalshi and Polymarket. Prices are closely aligned, showing no major arbitrage opportunity. This consensus across platforms reinforces the strength of the current narrative. The minimal price difference indicates traders on both exchanges are evaluating the same fundamental political factors, not platform-specific liquidity quirks.
AI-generated analysis based on market data. Not financial advice.
This prediction market focuses on the 2026 United States Senate election in New Hampshire. The market will resolve to 'Yes' if a candidate from the specified party is sworn in as a U.S. Senator from New Hampshire for the term beginning in January 2027. The seat in question is currently held by Democratic Senator Maggie Hassan, who was first elected in 2016 and re-elected in 2022. Her term expires on January 3, 2027. New Hampshire's Senate elections have gained national attention due to the state's swing-state status and the narrow partisan balance in the U.S. Senate. Control of the Senate often hinges on a handful of competitive races, and New Hampshire has consistently been one of them in recent cycles. The 2026 race will be closely watched as an early indicator of the political climate ahead of the 2028 presidential election. Interest in this market stems from political analysts, party strategists, and observers who track electoral outcomes and their implications for governance. The outcome could influence legislative priorities, committee assignments, and the balance of power in Washington.
New Hampshire has a history of competitive Senate elections, often reflecting national political trends. The state's last three Senate races have been decided by single-digit margins. In 2016, Maggie Hassan defeated incumbent Republican Senator Kelly Ayotte by 0.1% of the vote, one of the closest Senate races in the country that year. In 2020, Jeanne Shaheen won re-election by a more comfortable 16-point margin. In 2022, Hassan won re-election by about 9 points against Don Bolduc. Historically, the party controlling the White House often loses seats in midterm elections, but 2026 is not a presidential or traditional midterm year, adding uncertainty. The 2022 race was particularly expensive, with over $100 million spent by candidates and outside groups, according to OpenSecrets. This financial intensity is expected to continue in 2026. New Hampshire's electorate is famously independent, with a large bloc of undeclared voters who can choose either party's primary ballot, making candidate appeal to moderates critical.
The outcome of this Senate race will directly impact the balance of power in the U.S. Senate. As of early 2025, Democrats hold a narrow majority, and each seat is critical for passing legislation, confirming judicial and executive nominees, and setting the national agenda. A party switch in New Hampshire could alter which party controls the chamber, affecting policy on issues like healthcare, climate, taxes, and foreign aid. For New Hampshire residents, the election determines their level of representation and influence in Washington. A senior senator accrues power through committee assignments and legislative expertise, which can benefit the state through federal projects and policy attention. The race also serves as a barometer for national political sentiment ahead of the 2028 presidential cycle, testing messages and strategies for both major parties.
As of early 2025, Senator Maggie Hassan has not formally announced her re-election plans but is widely expected to run for a third term. The Republican field is undeclared, with speculation focused on Governor Chris Sununu. Sununu has stated he will decide on a potential run later in 2025. Other potential Republican candidates, like former state Senate President Chuck Morse, are likely waiting for Sununu's decision. The Democratic Senatorial Campaign Committee lists New Hampshire as a key defense priority for the 2026 cycle. Fundraising for the 2026 race is already underway through leadership PACs and candidate committees.
The general election will be held on Tuesday, November 3, 2026. Party primaries are typically held in September of that election year. The winner will be sworn in for a six-year term starting January 3, 2027.
The current U.S. Senators from New Hampshire are Democrat Maggie Hassan, elected in 2016 and re-elected in 2022, and Democrat Jeanne Shaheen, first elected in 2008 and re-elected in 2014 and 2020. The 2026 election is for Hassan's seat.
Governor Chris Sununu has not run for the U.S. Senate before. He considered challenging Senator Jeanne Shaheen in 2020 and Senator Maggie Hassan in 2022 but declined both times. He remains a speculated candidate for the 2026 race.
U.S. Senate seats have six-year terms. New Hampshire's two Senate seats are on staggered cycles. Senator Shaheen's seat was last contested in 2020 and will next be contested in 2026. Senator Hassan's seat was last contested in 2022 and is next contested in 2026.
New Hampshire has a nearly even partisan divide, a large number of independent voters, and a history of electing both Democrats and Republicans to statewide office. Recent Senate elections have been decided by narrow margins, attracting significant national attention and spending.
Educational content is AI-generated and sourced from Wikipedia. It should not be considered financial advice.
2 markets tracked
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| Market | Polymarket | Kalshi | Diff |
|---|---|---|---|
| 83% | 84% | 1% |
 | 14% | 15% | 1% |
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In 2026 If a representative X party is sworn in as a Senator of New Hampshire for the term beginning in 2027, then the market resolves to Yes. Early close condition: This market will close early following the swearing in of the Senator for the seat in question. This market will close early following the swearing in of the Senator for the seat in question.
This market will resolve according to the winner of the 2026 midterm New Hampshire U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of
This market will resolve according to the winner of the 2026 midterm New Hampshire U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Repub
If a representative of the Democratic party is sworn in as a Senator of New Hampshire for the term beginning in 2027, then the market resolves to Yes. Early close condition: This market will close early following the swearing in of the Senator for the seat in question.
This market will resolve according to the winner of the 2026 midterm New Hampshire U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Repub
If a representative of the Republican party is sworn in as a Senator of New Hampshire for the term beginning in 2027, then the market resolves to Yes. Early close condition: This market will close early following the swearing in of the Senator for the seat in question.
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